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Merging r232386:

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r232386 | thomas.stellard | 2015-03-16 11:53:55 -0400 (Mon, 16 Mar 2015) | 8 lines

R600/SI: don't try min3/max3/med3 with f64

There are no opcodes for this. This also adds a test case.

v2: make test more robust

Patch by: Grigori Goronzy

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_36@236040 91177308-0d34-0410-b5e6-96231b3b80d8
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Tom Stellard committed 2015-04-28 21:23:04 +00:00
1 parent fc58d60168
commit efa4fe4455
2 files changed
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lib/Target/R600/SIISelLowering.cpp
+1
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@@ -1584,6 +1584,7 @@ SDValue SITargetLowering::PerformDAGCombine(SDNode *N,
case AMDGPUISD::UMAX:
case AMDGPUISD::UMIN: {
if (DCI.getDAGCombineLevel() >= AfterLegalizeDAG &&
N->getValueType(0) != MVT::f64 &&
getTargetMachine().getOptLevel() > CodeGenOpt::None)
return performMin3Max3Combine(N, DCI);
break;